cross-hair

英 [k'rɒsh'eər] 美 [k'rɒsh'eər]

释义
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- n. 叉丝
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英英释义
名词 cross hair:

either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration
临近单词

crossvein cross cross infection/epidemiology cross-high-order-spectrum cross-cultural human resource cross-flow laminar clean room crossing over two point crosses crossed correlation coefficient Crossing illegally the frontier Crossing experimentation method cross-- disciplinary theory cross-situational consistency

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